Remove stat dependency

[Shushe] / GNUmakefile

diff --git a/GNUmakefile b/GNUmakefile
index 495b8a4979f96312032e6ac3ae993791b346c638..73c8057e8782297050b42056ed031b63ab3db9d8 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -36,7 +36,6 @@ override define makefileinfo
 ║│ • rm                                                       │║
 ║│ • sed                                                      │║
 ║│ • sleep                                                    │║
-║│ • stat                                                     │║
 ║│ • test                                                     │║
 ║│ • touch                                                    │║
 ║│ • tr                                                       │║
@@ -117,7 +116,6 @@ PRINTF := printf
 RM := rm
 SED := sed
 SLEEP := sleep
-STAT := stat
 TEST := test
 TOUCH := touch
 TR := tr
@@ -257,10 +255,17 @@ override silent := $(if $(VERBOSE),,@)
 
 # (callable) Get the modified time of the provided file.
 #
-# This is messy; there is no portable way of using `stat´.
+# Only the date·time information available via `ls -l´ is supported; that is, only minute precision for files newer than six months, and only day precision for files which are older.
+# This is, unfortunately, the best that can be done in pure Posix as of now.
+#
+# There is an easier implementation which provides the full date·time by archiving an empty file and then reading it back out of the archive :—
+#
+#     $(shell LC_TIME=POSIX TZ=UTC0 $(TOUCH) -m -r $(callquote,$1) $(BUILDDIR)/.mtime && $(PAX) -w -x ustar $(BUILDDIR)/.mtime | $(PAX) -v -o 'listopt=%(mtime=%Y-%m-%dT%H:%M:%SZ)T')
+#
+# However, it depends on the `listopt´ option in `pax´, which (despite being specified in Posix) no implementations actually support.
 #
 # ☡ This variable creates a subshell every time it is computed.
-override modtime = $(shell if $(STAT) --version 2> /dev/null | $(GREP) -q GNU; then $(DATE) -u -d "@$$(TZ= $(STAT) -c '%Y' $(call quote,$1))" '+%Y-%m-%dT%H:%M:%SZ'; else TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$1); fi)
+override modtime = $(shell { $(DATE) -u '+%Y-%m'; LC_TIME=POSIX TZ=UTC0 ls -q -A -l $(call quote,$1) | $(SED) 's/\([^ ]* \{1,\}\)\{5\}\(\([^ ]* \{1,\}\)\{3\}\).*/\2/;s/ \([0123456789]\) / 0\1 /;s/Jan/01/;s/Feb/02/;s/Mar/03/;s/Apr/04/;s/May/05/;s/Jun/06/;s/Jul/07/;s/Aug/08/;s/Sep/09/;s/Oct/10/;s/Nov/11/;s/Dec/12/;s/\([0123456789]\{2\}\) *\([0123456789]\{2\}\) *\([0123456789]\{4\}\)/\3-\1-\2T00:00:00Z/;s/\([0123456789]\{2\}\) *\([0123456789]\{2\}\) *\([0123456789:]\{5\}\)/XXXX-\1-\2T\3:00Z/'; } | $(TR) -d ' ' | $(AWK) -F '-' 'NR==1{year=$$1;month=$$2}$$1=="XXXX"&&$$2<=month{print year"-"$$2"-"$$3}$$1=="XXXX"&&$$2>month{print year-1"-"$$2"-"$$3}NR>1&&$$1!="XXXX"')
 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 
@@ -502,7 +507,7 @@ install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 
 # List all source files and includes and their computed types.
 list :
-       @$(PRINTF) '%b' $(call quote,$(foreach file,$(sort $(sourcefiles)) $(sort $(sourceincludes)),\0033[1m$(file)\0033[22m|$(call typeoffile,$(file))|[\0033[3m$(if $(filter $(file),$(xmlfiles)),xml,$(if $(filter $(file),$(plaintextfiles)),text,asset))$(if $(filter $(file),$(sourceincludes)),|include,)\0033[23m]$(if $(call dependencies,$(file))$(call recursives,$(file)), $(strip $(foreach recursive,$(call recursives,$(file)),\0033[93;41m•|Recursive|Dependency|\0033[39;49m|$(recursive)) $(foreach dependency,$(call dependencies,$(file)),\0033[2m•|Dependency|\0033[22m|$(dependency))))$(if $(filter $(file),$(sourcefiles)), →|<\0033[4m/$(call destination,$(file))\0033[24m>,) )) | $(TR) ' |' '\n '
+       @$(PRINTF) '%b' $(call quote,$(foreach file,$(sort $(sourcefiles)) $(sort $(sourceincludes)),\0033[1m$(file)\0033[22m|$(call typeoffile,$(file))|[\0033[3m$(if $(filter $(file),$(xmlfiles)),xml,$(if $(filter $(file),$(plaintextfiles)),text,asset))$(if $(filter $(file),$(sourceincludes)),|include,)\0033[23m] Modified:|$(call modtime,$(file))$(if $(call dependencies,$(file))$(call recursives,$(file)), $(strip $(foreach recursive,$(call recursives,$(file)),\0033[93;41m•|Recursive|Dependency|\0033[39;49m|$(recursive)) $(foreach dependency,$(call dependencies,$(file)),\0033[2m•|Dependency|\0033[22m|$(dependency))))$(if $(filter $(file),$(sourcefiles)), →|<\0033[4m/$(call destination,$(file))\0033[24m>,) )) | $(TR) ' |' '\n '
 
 # Lists out the destinations of all resulting files (relative to `DESTDIR´).
 listout :
@@ -640,17 +645,20 @@ $(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(
 $(call built,$(compilablefiles)) : $(BUILDDIR)/public/% : $(BUILDDIR)/results/%
        @$(PRINTF) '%s\n' $(call quote,Building </$*>…)
        $(silent)$(call ensuredirectory,$(dir $@))
+       $(silent)$(RM) -f -R $(call quote,$@)
        $(silent)$(call processresultto,$<,$@,$*)
 $(call built,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call unbuilt,$$@)
        @$(PRINTF) '%s\n' $(call quote,Building </$*>…)
        $(silent)$(call ensuredirectory,$(dir $@))
+       $(silent)$(RM) -f -R $(call quote,$@)
        $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 
 # Install compiled files (or error in the case of recursive ones).
 $(call installed,$(recursivefiles) $(installablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
        @$(PRINTF) '%s\n' $(call quote,Installing </$*>…)
        $(silent)$(call ensuredirectory,$(dir $@))
-       $(silent)if $(TEST) -d $(call quote,$<); then $(RM) -f -R $(call quote,$@); $(CP) -R $(call quote,$<) $(call quote,$@); else $(CP) $(call quote,$<) $(call quote,$@); fi
+       $(silent)$(RM) -f -R $(call quote,$@)
+       $(silent)$(CP) -R $(call quote,$<) $(call quote,$@)
        $(silent)for associated in $$($(call associatedfiles,$(dir $<),$(notdir $<))); do $(PRINTF) '%s\n' "$$associated" | $(SED) 's/^\(.*\)"{\(.*\)}"\(.*\)$$/\1\2\3/' | $(xargsquote) | $(XARGS) -E '' $(PRINTF) '%s%s\n' $(call quote,$(dir $@)) | $(xargsquote) | $(XARGS) -E '' $(CP) $(call quote,$(dir $<))"$$associated"; done
 
 # ━ § BEGIN ARCHIVE MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
@@ -697,6 +705,7 @@ $(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/inde
 $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/% : $(BUILDDIR)/extracted/%
        @$(PRINTF) '%s\n' $(call quote,Building </$(NAME)/$*>…)
        $(silent)$(call ensuredirectory,$(dir $@))
+       $(silent)$(RM) -f -R $(call quote,$@)
        $(silent)$(call processresultto,$<,$@,$*)
 
 # Archive all components in the file to the destination.
@@ -705,7 +714,8 @@ $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/%
 $(DESTDIR)/% : $(SRC) $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file))
        @$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…)
        $(silent)$(call ensuredirectory,$(dir $@))
-       $(silent)cd $(call quote,$(BUILDDIR)/files); if $(call xpath,/*/@*[local-name()="expanded" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$(abspath $<)); then $(RM) -f -R $(call quote,$(abspath $@)); $(MKDIR) -p $(call quote,$(abspath $@)); $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -r -w $(call quote,$(abspath $@)); else $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w -x ustar > $(call quote,$(abspath $@)); fi
+       $(silent)$(RM) -f -R $(call quote,$@)
+       $(silent)cd $(call quote,$(BUILDDIR)/files); if $(call xpath,/*/@*[local-name()="expanded" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$(abspath $<)); then $(MKDIR) -p $(call quote,$(abspath $@)); $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -r -w $(call quote,$(abspath $@)); else $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w -x ustar > $(call quote,$(abspath $@)); fi
 
 # ━ § BEGIN PAGED MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━